1055745 has 24 divisors (see below), whose sum is σ = 1895400. Its totient is φ = 542976.

The previous prime is 1055741. The next prime is 1055771. The reversal of 1055745 is 5475501.

It can be written as a sum of positive squares in 4 ways, for example, as 288369 + 767376 = 537^2 + 876^2 .

It is not a de Polignac number, because 1055745 - 2² = 1055741 is a prime.

It is a super-2 number, since 2×1055745² = 2229195010050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1055741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (78975).

2^1055745 is an apocalyptic number.

1055745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055745 is a deficient number, since it is larger than the sum of its proper divisors (839655).

1055745 is a wasteful number, since it uses less digits than its factorization.

1055745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 1055745 is about 1027.4945255329. The cubic root of 1055745 is about 101.8246699590.

It can be divided in two parts, 10 and 55745, that added together give a palindrome (55755).

The spelling of 1055745 in words is "one million, fifty-five thousand, seven hundred forty-five".